Network · AS13660

AS13660 Blue Cross Blue Shield of North Dakota

AS13660 (Blue Cross Blue Shield of North Dakota) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS13660

OwnerBlue Cross Blue Shield of North Dakota
KindInternet service provider
Servers, not peopleno
IPv4 addresses2,048
IPv4 ranges1
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

199.253.128.0/21

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-21.

Check an IP address →

Detect it in code

Spot AS13660 traffic at signup.

Send the visitor's IP. The response includes the ASN, the owner and flags.hosting.

curl https://veqen-app.com/v1/ip/check \
  -H "Authorization: Bearer $VEQEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"ip": "203.0.113.7"}'

import os, requests

r = requests.post(
    "https://veqen-app.com/v1/ip/check",
    headers={"Authorization": f"Bearer {os.environ['VEQEN_API_KEY']}"},
    json={"ip": "203.0.113.7"},
    timeout=10,
)
result = r.json()
print(result["risk"]["verdict"], result["risk"]["reasons"])

const res = await fetch("https://veqen-app.com/v1/ip/check", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.VEQEN_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({"ip": "203.0.113.7"}),
});
const result = await res.json();
console.log(result.risk.verdict, result.risk.reasons);

Questions

About AS13660

Is AS13660 a datacenter or VPN network?

AS13660 (Blue Cross Blue Shield of North Dakota) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS13660?

AS13660 is registered to Blue Cross Blue Shield of North Dakota. It announces about 2,048 IPv4 addresses.

How do I detect traffic from AS13660?

Call the Veqen IP check with the visitor's address. The response includes the ASN, the owner and whether the network is a datacenter, VPN network, relay or ISP.